Tom Hiddleston's Loki character in The Avengers will be very different to the one in this year's Thor, he has revealed.

Loki will be more of an outright supervillain by the start of Joss Whedon's Marvel team-up adaptation, and his appearance will reflect this change.

"It's a little less princely, if you see what I mean," Hiddleston told IGN. "In Thor, Loki is a prince of Asgard. But by the time The Avengers starts Loki's been around the block of the universe.

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"He's met some shady gangsters and he's gone undercover and he's come back looking a bit meaner. There's a lot more leather. There's a lot more black. There's a lot more weaponry. He's just more of a badass."